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ScriptingPro/Active_Directory_Port_Check.ps1

Created November 16, 2022 22:35
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Check if necessary AD Ports are Open using PowerShell
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Active_Directory_Port_Check.ps1
$TargetDC = “dc1.contoso.com”
Test-NetConnection -ComputerName $TargetDC -Port 88 # Kerberos
Test-NetConnection -ComputerName $TargetDC -Port 135 # RPC
Test-NetConnection -ComputerName $TargetDC -Port 139 # NetBIOS SS
Test-NetConnection -ComputerName $TargetDC -Port 389 # LDAP
Test-NetConnection -ComputerName $TargetDC -Port 636 # LDAPS
Test-NetConnection -ComputerName $TargetDC -Port 445 # SMB Netlogon
Test-NetConnection -ComputerName $TargetDC -Port 464 # Kerberos Password Change
Test-NetConnection -ComputerName $TargetDC -Port 3268 # GC
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